Fresnel Conductor

菲涅耳导体

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Fresnel Conductor

菲涅耳导体

Each metallic material can be defined via its refraction index and its absorption. This is why this Node contains a list of presets defining some commonly used metallic materials. The vector for the Refraction Index defines the material’s light refracting properties individually for red, green and blue components of the incoming light. This also affects the reflective properties, which are calculated with different strengths depending on the angle from which the surface is viewed. Generally speaking, higher Refraction Index values produce correspondingly stronger reflections.

每种金属材质都可以通过其折射率和吸收率来定义。这就是为什么这个节点包含一个列表的预设定义一些常用的金属材质。折射率的矢量单独定义了入射光的红色、绿色和蓝色分量的材质的光折射特性。这也影响了反射特性，根据观察表面的角度计算出不同的强度。一般来说，较高的折射率值相应地产生较强的反射。

The Absorption method works even more precisely on reflections, which can also be controlled separately for red, green and blue light components. Larger Absorption values lead to correspondingly stronger reflections in the respective color components.

吸收法对于反射效果更为精确，对于红、绿、蓝光组分也可以分别控制。较大的吸收值相应地导致较强的反射在各自的颜色组成部分。

This Node does not in fact trace reflections but only returns angle-dependent weights. You may of course use these weights to attenuate actual reflections such as those traced by the Trace Ray node.

该节点实际上并不跟踪反射，而只返回与角度相关的权重。当然，您可以使用这些权重来衰减实际反射，例如由跟踪光线节点跟踪的反射。